Harvard University, Houghton Library

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75 letters and 10 literary mss.: letters to Colvin from the South Seas, letters to Henry James; manuscripts (‘Memoirs of Himself’, ‘Markheim’, final version of Catriona); corrected galley proofs of ‘Confessions of a Unionist’.

Rosenbach, A. S. W. (1913). A Catalogue of the Books and Manuscripts of Robert Louis Stevenson in the Library of the Late Harry Elkins Widener. Philadelphia: (privately printed).